package com.ouc.dcrms.core.rmq;

import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.QueueingConsumer;

/**
 * @author WuPing
 * @version 2017年3月15日 下午9:58:06
 */

public class MsgWorker {
    
    private static final String TASK_QUEUE_NAME = "Task_Queue";

    public static void main(String[] argv) throws Exception {
	ConnectionFactory factory = new ConnectionFactory();
	factory.setHost("localhost");
	Connection connection = factory.newConnection();
	Channel channel = connection.createChannel();

	channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
	System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

	channel.basicQos(1);

	QueueingConsumer consumer = new QueueingConsumer(channel);
	channel.basicConsume(TASK_QUEUE_NAME, false, consumer);

	while (true) {
	    QueueingConsumer.Delivery delivery = consumer.nextDelivery();
	    String message = new String(delivery.getBody());

	    System.out.println(" [x] Received '" + message + "'");
	    doWork(message);
	    System.out.println(" [x] Done");

	    channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
	}
    }

    private static void doWork(String task) throws InterruptedException {
	for (char ch : task.toCharArray()) {
	    if (ch == '.')
		Thread.sleep(1000);
	}
    }
}
